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33 Cards in this Set

  • Front
  • Back
tongue dev in embryo
tuberculum impar
bifid tongue bc
lack of fusion of distal tongue buds
develop 4th wk of embryonic life
branchial arches
1st
2nd
3rd
BRANCHIAL ARCHES
aw tongue development
median tongue bud
tuberculum impar
arches 1,2,3 >
formation of
face
oral cavity
1st arch
mandible
part of maxilla
1st/2nd/3rd arch >
dev of tongue
1st branchial cartilaginous arch
meckel's cartilage
merkel=
mandibular cartilage
second arch cartilage >
middle ear
stapes
styloid process (temporal bone)
hyoid bone
3rd cartilage
4/6th cartilage >
laryngeal cartilages

NOTEPIGLOTTIS
first part of face to form
mandible
max/mand formed by
intramembranous ossification
growth of forebrain >
frontal nasal process
specialized ectoderm >
nasal placodes
medial nasal processes >
philtrum of upper lip
nostril
lateral nasal processes
alae (sides ) of nose
1st branchial arch >
mand/max process
4th week
fusion of
-maxillary
-mandibular

processes
corner of mouth
first branchial arch >
tuberculum impar
2 lateral lingual swellings
inferior parathyroid gland
thymus >
pharyngeal pouch 3
stomodeum
primitive mouth
ectoderm=external
endoderm=internal
buccopharyngeal membrane
line inner aspects of arches
pharyngeal pouches
2nd pouch
palatine tonsil
4th pouch
superior parathyroid gland
parafollicular cells/c cells of THYROID
1st pouch
tympanic membrane
auditory tube
middle ear
slight depression of ectoderm surface =
stomodeum=
primitive mouth
primitive palate =
-medial nasal processes
secondary palate =
hard/soft palate
secondary palate from
-lateral palatine processes